[1] "Thank you for these 10 years."-is probably the message the producer wants to convey[2] "kurete" here is meant as くれて (to receive) and 暮れて (to conclude)[3], [4] This part is sung in the background, and with reference to the producer's other songs ('Boku mitai na kimi, Kimi mitai na boku' and 'Souaisei Riron' respectively)[5] "Ai Kotoba" is normally 合言葉 (password/code); in this song, 合 is replaced with 愛 for "Ai Kotoba" to both mean as 'code' and 'words of love'